Climate almanac
Sønderborg
South Denmark, Denmark · 54.91°, 9.79°
What is the weather like in Sønderborg in September?
In September, Sønderborg is typically 65°F (18°C) during the day and 54°F (12°C) at night. The month brings about 2.4 in (61 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low54°F (12°C)
- Precipitation2.4 in (61 mm)
- Clear or mostly clear days6
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)